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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: Bounds.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.util;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.util.Comparator;<a name="line.10"></a>
<span class="sourceLineNo">011</span><a name="line.11"></a>
<span class="sourceLineNo">012</span>/**<a name="line.12"></a>
<span class="sourceLineNo">013</span> * Utility class used by {@link AbstractNavigableSet} and {@link AbstractNavigableMap} to define<a name="line.13"></a>
<span class="sourceLineNo">014</span> * the (optional) upper and lower bounds of a restricted range.<a name="line.14"></a>
<span class="sourceLineNo">015</span> *<a name="line.15"></a>
<span class="sourceLineNo">016</span> * @param &lt;T&gt; Java type of range bounds<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>public class Bounds&lt;T&gt; {<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>    private final T lowerBound;<a name="line.20"></a>
<span class="sourceLineNo">021</span>    private final T upperBound;<a name="line.21"></a>
<span class="sourceLineNo">022</span>    private final BoundType lowerBoundType;<a name="line.22"></a>
<span class="sourceLineNo">023</span>    private final BoundType upperBoundType;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>    /**<a name="line.25"></a>
<span class="sourceLineNo">026</span>     * Convenience constructor to create a new instance with no upper or lower bounds.<a name="line.26"></a>
<span class="sourceLineNo">027</span>     */<a name="line.27"></a>
<span class="sourceLineNo">028</span>    public Bounds() {<a name="line.28"></a>
<span class="sourceLineNo">029</span>        this(null, BoundType.NONE, null, BoundType.NONE);<a name="line.29"></a>
<span class="sourceLineNo">030</span>    }<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>    /**<a name="line.32"></a>
<span class="sourceLineNo">033</span>     * Create a one-sided bound.<a name="line.33"></a>
<span class="sourceLineNo">034</span>     *<a name="line.34"></a>
<span class="sourceLineNo">035</span>     * @param bound bound restriction value; ignored if {@code boundType} is {@link BoundType#NONE}<a name="line.35"></a>
<span class="sourceLineNo">036</span>     * @param boundType type of bound for {@code bound}, or {@link BoundType#NONE} if there is no lower bound<a name="line.36"></a>
<span class="sourceLineNo">037</span>     * @param upper true to create an upper bound, false to create a lower bound<a name="line.37"></a>
<span class="sourceLineNo">038</span>     * @throws IllegalArgumentException if {@code boundType} is null<a name="line.38"></a>
<span class="sourceLineNo">039</span>     */<a name="line.39"></a>
<span class="sourceLineNo">040</span>    public Bounds(T bound, BoundType boundType, boolean upper) {<a name="line.40"></a>
<span class="sourceLineNo">041</span>        this(upper ? null : bound, upper ? BoundType.NONE : boundType, upper ? bound : null, upper ? boundType : BoundType.NONE);<a name="line.41"></a>
<span class="sourceLineNo">042</span>    }<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>    /**<a name="line.44"></a>
<span class="sourceLineNo">045</span>     * Create two-sided bounds with inclusive lower bound and exclusive upper bound.<a name="line.45"></a>
<span class="sourceLineNo">046</span>     *<a name="line.46"></a>
<span class="sourceLineNo">047</span>     * @param lowerBound lower bound restriction value (inclusive)<a name="line.47"></a>
<span class="sourceLineNo">048</span>     * @param upperBound upper bound restriction value (exclusive)<a name="line.48"></a>
<span class="sourceLineNo">049</span>     */<a name="line.49"></a>
<span class="sourceLineNo">050</span>    public Bounds(T lowerBound, T upperBound) {<a name="line.50"></a>
<span class="sourceLineNo">051</span>        this(lowerBound, BoundType.INCLUSIVE, upperBound, BoundType.EXCLUSIVE);<a name="line.51"></a>
<span class="sourceLineNo">052</span>    }<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span>    /**<a name="line.54"></a>
<span class="sourceLineNo">055</span>     * Primary constructor.<a name="line.55"></a>
<span class="sourceLineNo">056</span>     *<a name="line.56"></a>
<span class="sourceLineNo">057</span>     * @param lowerBound lower bound restriction value; ignored if {@code lowerBoundType} is {@link BoundType#NONE}<a name="line.57"></a>
<span class="sourceLineNo">058</span>     * @param lowerBoundType type of bound for {@code lowerBound}, or {@link BoundType#NONE} if there is no lower bound<a name="line.58"></a>
<span class="sourceLineNo">059</span>     * @param upperBound upper bound restriction value; ignored if {@code upperBoundType} is {@link BoundType#NONE}<a name="line.59"></a>
<span class="sourceLineNo">060</span>     * @param upperBoundType type of bound for {@code upperBound}, or {@link BoundType#NONE} if there is no upper bound<a name="line.60"></a>
<span class="sourceLineNo">061</span>     * @throws IllegalArgumentException if {@code lowerBoundType} or {@code upperBoundType} is null<a name="line.61"></a>
<span class="sourceLineNo">062</span>     */<a name="line.62"></a>
<span class="sourceLineNo">063</span>    public Bounds(T lowerBound, BoundType lowerBoundType, T upperBound, BoundType upperBoundType) {<a name="line.63"></a>
<span class="sourceLineNo">064</span>        if (lowerBoundType == null)<a name="line.64"></a>
<span class="sourceLineNo">065</span>            throw new IllegalArgumentException("null lowerBoundType");<a name="line.65"></a>
<span class="sourceLineNo">066</span>        if (upperBoundType == null)<a name="line.66"></a>
<span class="sourceLineNo">067</span>            throw new IllegalArgumentException("null upperBoundType");<a name="line.67"></a>
<span class="sourceLineNo">068</span>        this.lowerBound = lowerBoundType != BoundType.NONE ? lowerBound : null;<a name="line.68"></a>
<span class="sourceLineNo">069</span>        this.upperBound = upperBoundType != BoundType.NONE ? upperBound : null;<a name="line.69"></a>
<span class="sourceLineNo">070</span>        this.lowerBoundType = lowerBoundType;<a name="line.70"></a>
<span class="sourceLineNo">071</span>        this.upperBoundType = upperBoundType;<a name="line.71"></a>
<span class="sourceLineNo">072</span>    }<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>
<span class="sourceLineNo">074</span>    /**<a name="line.74"></a>
<span class="sourceLineNo">075</span>     * Get the Java value corresponding to the lower bound restriction, if any.<a name="line.75"></a>
<span class="sourceLineNo">076</span>     * Returns null when {@link #getLowerBoundType} returns {@link BoundType#NONE}.<a name="line.76"></a>
<span class="sourceLineNo">077</span>     *<a name="line.77"></a>
<span class="sourceLineNo">078</span>     * @return lower bound Java value, or null if there is no lower bound<a name="line.78"></a>
<span class="sourceLineNo">079</span>     */<a name="line.79"></a>
<span class="sourceLineNo">080</span>    public T getLowerBound() {<a name="line.80"></a>
<span class="sourceLineNo">081</span>        return this.lowerBound;<a name="line.81"></a>
<span class="sourceLineNo">082</span>    }<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span>    /**<a name="line.84"></a>
<span class="sourceLineNo">085</span>     * Get the Java value corresponding to the upper bound restriction, if any.<a name="line.85"></a>
<span class="sourceLineNo">086</span>     * Returns null when {@link #getUpperBoundType} returns {@link BoundType#NONE}.<a name="line.86"></a>
<span class="sourceLineNo">087</span>     *<a name="line.87"></a>
<span class="sourceLineNo">088</span>     * @return upper bound Java value, or null if there is no upper bound<a name="line.88"></a>
<span class="sourceLineNo">089</span>     */<a name="line.89"></a>
<span class="sourceLineNo">090</span>    public T getUpperBound() {<a name="line.90"></a>
<span class="sourceLineNo">091</span>        return this.upperBound;<a name="line.91"></a>
<span class="sourceLineNo">092</span>    }<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span>    /**<a name="line.94"></a>
<span class="sourceLineNo">095</span>     * Get the type of the lower bound that corresponds to {@link #getLowerBound}.<a name="line.95"></a>
<span class="sourceLineNo">096</span>     *<a name="line.96"></a>
<span class="sourceLineNo">097</span>     * @return lower bound restriction type, never null<a name="line.97"></a>
<span class="sourceLineNo">098</span>     */<a name="line.98"></a>
<span class="sourceLineNo">099</span>    public BoundType getLowerBoundType() {<a name="line.99"></a>
<span class="sourceLineNo">100</span>        return this.lowerBoundType;<a name="line.100"></a>
<span class="sourceLineNo">101</span>    }<a name="line.101"></a>
<span class="sourceLineNo">102</span><a name="line.102"></a>
<span class="sourceLineNo">103</span>    /**<a name="line.103"></a>
<span class="sourceLineNo">104</span>     * Get the type of the upper bound that corresponds to {@link #getUpperBound}.<a name="line.104"></a>
<span class="sourceLineNo">105</span>     *<a name="line.105"></a>
<span class="sourceLineNo">106</span>     * @return upper bound restriction type, never null<a name="line.106"></a>
<span class="sourceLineNo">107</span>     */<a name="line.107"></a>
<span class="sourceLineNo">108</span>    public BoundType getUpperBoundType() {<a name="line.108"></a>
<span class="sourceLineNo">109</span>        return this.upperBoundType;<a name="line.109"></a>
<span class="sourceLineNo">110</span>    }<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span>    /**<a name="line.112"></a>
<span class="sourceLineNo">113</span>     * Create an instance like this instance but with the upper and lower bounds reversed.<a name="line.113"></a>
<span class="sourceLineNo">114</span>     * Obviously, the result is only sensible when a reversed {@link Comparator} is also used.<a name="line.114"></a>
<span class="sourceLineNo">115</span>     *<a name="line.115"></a>
<span class="sourceLineNo">116</span>     * @return reversal of this instance<a name="line.116"></a>
<span class="sourceLineNo">117</span>     */<a name="line.117"></a>
<span class="sourceLineNo">118</span>    public Bounds&lt;T&gt; reverse() {<a name="line.118"></a>
<span class="sourceLineNo">119</span>        return new Bounds&lt;T&gt;(this.upperBound, this.upperBoundType, this.lowerBound, this.lowerBoundType);<a name="line.119"></a>
<span class="sourceLineNo">120</span>    }<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span>    /**<a name="line.122"></a>
<span class="sourceLineNo">123</span>     * Create an instance like this instance but with a different lower bound.<a name="line.123"></a>
<span class="sourceLineNo">124</span>     *<a name="line.124"></a>
<span class="sourceLineNo">125</span>     * @param newLowerBound new lower bound restriction value; ignored if {@code newLowerBoundType} is {@link BoundType#NONE}<a name="line.125"></a>
<span class="sourceLineNo">126</span>     * @param newLowerBoundType type of bound for {@code newLowerBound}, or {@link BoundType#NONE} if there is no lower bound<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * @return instance with new lower bound<a name="line.127"></a>
<span class="sourceLineNo">128</span>     * @throws IllegalArgumentException if {@code newLowerBoundType} is null<a name="line.128"></a>
<span class="sourceLineNo">129</span>     */<a name="line.129"></a>
<span class="sourceLineNo">130</span>    public Bounds&lt;T&gt; withLowerBound(T newLowerBound, BoundType newLowerBoundType) {<a name="line.130"></a>
<span class="sourceLineNo">131</span>        return new Bounds&lt;T&gt;(newLowerBound, newLowerBoundType, this.upperBound, this.upperBoundType);<a name="line.131"></a>
<span class="sourceLineNo">132</span>    }<a name="line.132"></a>
<span class="sourceLineNo">133</span><a name="line.133"></a>
<span class="sourceLineNo">134</span>    /**<a name="line.134"></a>
<span class="sourceLineNo">135</span>     * Create an instance like this instance but with a different upper bound.<a name="line.135"></a>
<span class="sourceLineNo">136</span>     *<a name="line.136"></a>
<span class="sourceLineNo">137</span>     * @param newUpperBound new upper bound restriction value; ignored if {@code newUpperBoundType} is {@link BoundType#NONE}<a name="line.137"></a>
<span class="sourceLineNo">138</span>     * @param newUpperBoundType type of bound for {@code newUpperBound}, or {@link BoundType#NONE} if there is no upper bound<a name="line.138"></a>
<span class="sourceLineNo">139</span>     * @return instance with new upper bound<a name="line.139"></a>
<span class="sourceLineNo">140</span>     * @throws IllegalArgumentException if {@code newUpperBoundType} is null<a name="line.140"></a>
<span class="sourceLineNo">141</span>     */<a name="line.141"></a>
<span class="sourceLineNo">142</span>    public Bounds&lt;T&gt; withUpperBound(T newUpperBound, BoundType newUpperBoundType) {<a name="line.142"></a>
<span class="sourceLineNo">143</span>        return new Bounds&lt;T&gt;(this.lowerBound, this.lowerBoundType, newUpperBound, newUpperBoundType);<a name="line.143"></a>
<span class="sourceLineNo">144</span>    }<a name="line.144"></a>
<span class="sourceLineNo">145</span><a name="line.145"></a>
<span class="sourceLineNo">146</span>    /**<a name="line.146"></a>
<span class="sourceLineNo">147</span>     * Create an instance like this instance but with the lower bound removed.<a name="line.147"></a>
<span class="sourceLineNo">148</span>     *<a name="line.148"></a>
<span class="sourceLineNo">149</span>     * @return new instance<a name="line.149"></a>
<span class="sourceLineNo">150</span>     */<a name="line.150"></a>
<span class="sourceLineNo">151</span>    public Bounds&lt;T&gt; withoutLowerBound() {<a name="line.151"></a>
<span class="sourceLineNo">152</span>        return new Bounds&lt;T&gt;(null, BoundType.NONE, this.upperBound, this.upperBoundType);<a name="line.152"></a>
<span class="sourceLineNo">153</span>    }<a name="line.153"></a>
<span class="sourceLineNo">154</span><a name="line.154"></a>
<span class="sourceLineNo">155</span>    /**<a name="line.155"></a>
<span class="sourceLineNo">156</span>     * Create an instance like this instance but with the upper bound removed.<a name="line.156"></a>
<span class="sourceLineNo">157</span>     *<a name="line.157"></a>
<span class="sourceLineNo">158</span>     * @return new instance<a name="line.158"></a>
<span class="sourceLineNo">159</span>     */<a name="line.159"></a>
<span class="sourceLineNo">160</span>    public Bounds&lt;T&gt; withoutUpperBound() {<a name="line.160"></a>
<span class="sourceLineNo">161</span>        return new Bounds&lt;T&gt;(this.lowerBound, this.lowerBoundType, null, BoundType.NONE);<a name="line.161"></a>
<span class="sourceLineNo">162</span>    }<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span>    /**<a name="line.164"></a>
<span class="sourceLineNo">165</span>     * Check whether the given value is within the lower bound of this instance.<a name="line.165"></a>
<span class="sourceLineNo">166</span>     *<a name="line.166"></a>
<span class="sourceLineNo">167</span>     * @param comparator comparator used to compare values, or null for natural ordering<a name="line.167"></a>
<span class="sourceLineNo">168</span>     * @param value value to check<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * @return true if {@code value} is within bounds, false otherwise<a name="line.169"></a>
<span class="sourceLineNo">170</span>     */<a name="line.170"></a>
<span class="sourceLineNo">171</span>    public boolean isWithinLowerBound(Comparator&lt;? super T&gt; comparator, T value) {<a name="line.171"></a>
<span class="sourceLineNo">172</span>        return this.isWithinBound(comparator, value, true, false);<a name="line.172"></a>
<span class="sourceLineNo">173</span>    }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span>    /**<a name="line.175"></a>
<span class="sourceLineNo">176</span>     * Check whether the given value is within the upper bound of this instance.<a name="line.176"></a>
<span class="sourceLineNo">177</span>     *<a name="line.177"></a>
<span class="sourceLineNo">178</span>     * @param comparator comparator used to compare values, or null for natural ordering<a name="line.178"></a>
<span class="sourceLineNo">179</span>     * @param value value to check<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * @return true if {@code value} is within bounds, false otherwise<a name="line.180"></a>
<span class="sourceLineNo">181</span>     */<a name="line.181"></a>
<span class="sourceLineNo">182</span>    public boolean isWithinUpperBound(Comparator&lt;? super T&gt; comparator, T value) {<a name="line.182"></a>
<span class="sourceLineNo">183</span>        return this.isWithinBound(comparator, value, true, true);<a name="line.183"></a>
<span class="sourceLineNo">184</span>    }<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span>    /**<a name="line.186"></a>
<span class="sourceLineNo">187</span>     * Check whether the given value is within the bounds of this instance.<a name="line.187"></a>
<span class="sourceLineNo">188</span>     *<a name="line.188"></a>
<span class="sourceLineNo">189</span>     * &lt;p&gt;<a name="line.189"></a>
<span class="sourceLineNo">190</span>     * Equivalent to:<a name="line.190"></a>
<span class="sourceLineNo">191</span>     * &lt;blockquote&gt;&lt;code&gt;<a name="line.191"></a>
<span class="sourceLineNo">192</span>     * isWithinLowerBound(comparator, value) &amp;amp;&amp;amp; isWithinUpperBound(comparator, value)<a name="line.192"></a>
<span class="sourceLineNo">193</span>     * &lt;/code&gt;&lt;/blockquote&gt;<a name="line.193"></a>
<span class="sourceLineNo">194</span>     *<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * @param comparator comparator used to compare values, or null for natural ordering<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * @param value value to check<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * @return true if {@code value} is within bounds, false otherwise<a name="line.197"></a>
<span class="sourceLineNo">198</span>     */<a name="line.198"></a>
<span class="sourceLineNo">199</span>    public boolean isWithinBounds(Comparator&lt;? super T&gt; comparator, T value) {<a name="line.199"></a>
<span class="sourceLineNo">200</span>        return this.isWithinLowerBound(comparator, value) &amp;&amp; this.isWithinUpperBound(comparator, value);<a name="line.200"></a>
<span class="sourceLineNo">201</span>    }<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span>    /**<a name="line.203"></a>
<span class="sourceLineNo">204</span>     * Determine whether the given new {@link Bounds} is within of the bounds of this instance.<a name="line.204"></a>
<span class="sourceLineNo">205</span>     *<a name="line.205"></a>
<span class="sourceLineNo">206</span>     * @param comparator comparator used to compare values, or null for natural ordering<a name="line.206"></a>
<span class="sourceLineNo">207</span>     * @param newBounds new bounds<a name="line.207"></a>
<span class="sourceLineNo">208</span>     * @return true if {@code newBounds} is in range, false otherwise<a name="line.208"></a>
<span class="sourceLineNo">209</span>     * @throws IllegalArgumentException if {@code newBounds} is null<a name="line.209"></a>
<span class="sourceLineNo">210</span>     */<a name="line.210"></a>
<span class="sourceLineNo">211</span>    public boolean isWithinBounds(Comparator&lt;? super T&gt; comparator, Bounds&lt;? extends T&gt; newBounds) {<a name="line.211"></a>
<span class="sourceLineNo">212</span>        if (newBounds == null)<a name="line.212"></a>
<span class="sourceLineNo">213</span>            throw new IllegalArgumentException("null newBounds");<a name="line.213"></a>
<span class="sourceLineNo">214</span>        if (newBounds.lowerBoundType != BoundType.NONE<a name="line.214"></a>
<span class="sourceLineNo">215</span>          &amp;&amp; !this.isWithinBound(comparator, newBounds.lowerBound, newBounds.lowerBoundType.isInclusive(), false))<a name="line.215"></a>
<span class="sourceLineNo">216</span>            return false;<a name="line.216"></a>
<span class="sourceLineNo">217</span>        if (newBounds.upperBoundType != BoundType.NONE<a name="line.217"></a>
<span class="sourceLineNo">218</span>          &amp;&amp; !this.isWithinBound(comparator, newBounds.upperBound, newBounds.upperBoundType.isInclusive(), true))<a name="line.218"></a>
<span class="sourceLineNo">219</span>            return false;<a name="line.219"></a>
<span class="sourceLineNo">220</span>        return true;<a name="line.220"></a>
<span class="sourceLineNo">221</span>    }<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span>    /**<a name="line.223"></a>
<span class="sourceLineNo">224</span>     * Check whether the given value is outside one of the bounds of this instance.<a name="line.224"></a>
<span class="sourceLineNo">225</span>     *<a name="line.225"></a>
<span class="sourceLineNo">226</span>     * @param comparator comparator used to compare values, or null for natural ordering<a name="line.226"></a>
<span class="sourceLineNo">227</span>     * @param value value to check<a name="line.227"></a>
<span class="sourceLineNo">228</span>     * @param requireInclusive whether value should not be considered included when it is exactly equal to an exclusive bound<a name="line.228"></a>
<span class="sourceLineNo">229</span>     * @param upper true to check against upper bound, false to check against lower bound<a name="line.229"></a>
<span class="sourceLineNo">230</span>     * @throws IllegalArgumentException if {@link newBound} is out of range<a name="line.230"></a>
<span class="sourceLineNo">231</span>     * @throws IllegalArgumentException if {@link newBoundType} is null<a name="line.231"></a>
<span class="sourceLineNo">232</span>     */<a name="line.232"></a>
<span class="sourceLineNo">233</span>    @SuppressWarnings("unchecked")<a name="line.233"></a>
<span class="sourceLineNo">234</span>    private boolean isWithinBound(Comparator&lt;? super T&gt; comparator, T value, boolean requireInclusive, boolean upper) {<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span>        // Check bound type<a name="line.236"></a>
<span class="sourceLineNo">237</span>        final BoundType boundType = upper ? this.upperBoundType : this.lowerBoundType;<a name="line.237"></a>
<span class="sourceLineNo">238</span>        if (boundType == BoundType.NONE)<a name="line.238"></a>
<span class="sourceLineNo">239</span>            return true;<a name="line.239"></a>
<span class="sourceLineNo">240</span><a name="line.240"></a>
<span class="sourceLineNo">241</span>        // Compare value to bound<a name="line.241"></a>
<span class="sourceLineNo">242</span>        final T bound = upper ? this.upperBound : this.lowerBound;<a name="line.242"></a>
<span class="sourceLineNo">243</span>        final int diff = comparator != null ? comparator.compare(value, bound) : ((Comparable&lt;T&gt;)value).compareTo(bound);<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
<span class="sourceLineNo">245</span>        // Handle value equal to bound<a name="line.245"></a>
<span class="sourceLineNo">246</span>        if (diff == 0) {<a name="line.246"></a>
<span class="sourceLineNo">247</span>            if (boundType == BoundType.INCLUSIVE || !requireInclusive)<a name="line.247"></a>
<span class="sourceLineNo">248</span>                return true;<a name="line.248"></a>
<span class="sourceLineNo">249</span>            return false;<a name="line.249"></a>
<span class="sourceLineNo">250</span>        }<a name="line.250"></a>
<span class="sourceLineNo">251</span><a name="line.251"></a>
<span class="sourceLineNo">252</span>        // Value is either inside or outside bound<a name="line.252"></a>
<span class="sourceLineNo">253</span>        return upper ? diff &lt; 0 : diff &gt; 0;<a name="line.253"></a>
<span class="sourceLineNo">254</span>    }<a name="line.254"></a>
<span class="sourceLineNo">255</span><a name="line.255"></a>
<span class="sourceLineNo">256</span>// Object<a name="line.256"></a>
<span class="sourceLineNo">257</span><a name="line.257"></a>
<span class="sourceLineNo">258</span>    @Override<a name="line.258"></a>
<span class="sourceLineNo">259</span>    public String toString() {<a name="line.259"></a>
<span class="sourceLineNo">260</span>        return "Bounds[lower(" + this.lowerBoundType + ")=" + this.lowerBound<a name="line.260"></a>
<span class="sourceLineNo">261</span>          + ",upper(" + this.upperBoundType + ")=" + this.upperBound + "]";<a name="line.261"></a>
<span class="sourceLineNo">262</span>    }<a name="line.262"></a>
<span class="sourceLineNo">263</span><a name="line.263"></a>
<span class="sourceLineNo">264</span>    @Override<a name="line.264"></a>
<span class="sourceLineNo">265</span>    public boolean equals(Object obj) {<a name="line.265"></a>
<span class="sourceLineNo">266</span>        if (obj == this)<a name="line.266"></a>
<span class="sourceLineNo">267</span>            return true;<a name="line.267"></a>
<span class="sourceLineNo">268</span>        if (obj == null || obj.getClass() != this.getClass())<a name="line.268"></a>
<span class="sourceLineNo">269</span>            return false;<a name="line.269"></a>
<span class="sourceLineNo">270</span>        final Bounds&lt;?&gt; that = (Bounds&lt;?&gt;)obj;<a name="line.270"></a>
<span class="sourceLineNo">271</span>        return this.lowerBoundType == that.lowerBoundType<a name="line.271"></a>
<span class="sourceLineNo">272</span>          &amp;&amp; this.upperBoundType == that.upperBoundType<a name="line.272"></a>
<span class="sourceLineNo">273</span>          &amp;&amp; (this.lowerBound != null ?  this.lowerBound.equals(that.lowerBound) : that.lowerBound == null)<a name="line.273"></a>
<span class="sourceLineNo">274</span>          &amp;&amp; (this.upperBound != null ?  this.upperBound.equals(that.upperBound) : that.upperBound == null);<a name="line.274"></a>
<span class="sourceLineNo">275</span>    }<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span>    @Override<a name="line.277"></a>
<span class="sourceLineNo">278</span>    public int hashCode() {<a name="line.278"></a>
<span class="sourceLineNo">279</span>        return this.lowerBoundType.hashCode()<a name="line.279"></a>
<span class="sourceLineNo">280</span>          ^ this.upperBoundType.hashCode()<a name="line.280"></a>
<span class="sourceLineNo">281</span>          ^ (this.lowerBound != null ?  this.lowerBound.hashCode() : 0)<a name="line.281"></a>
<span class="sourceLineNo">282</span>          ^ (this.upperBound != null ?  this.upperBound.hashCode() : 0);<a name="line.282"></a>
<span class="sourceLineNo">283</span>    }<a name="line.283"></a>
<span class="sourceLineNo">284</span>}<a name="line.284"></a>
<span class="sourceLineNo">285</span><a name="line.285"></a>




























































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